Mississippi officials confirmed widespread destruction after overnight tornadoes damaged over 1,000 buildings, injured 17 people, and closed dozens of roads. The National Weather Service issued a rare "particularly dangerous situation" alert for Franklin and Adams Counties as storms tore through the southwest. Debris-laden highways like Interstate 55 faced closures, while Lamar County reported 250 damaged structures, including a church, and four injuries.

At least 30 roads in Lamar County remained shuttered Thursday due to debris, as 14 tornadoes were reported statewide. Power outages affected 17,000 customers, with storms spreading into Alabama and threatening further impacts in Georgia and Florida.